Memorex LOCK - VERSION 2-24 Informacje Techniczne Strona 306

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Physical IOCS Processing
7-38 User Reference
Connectivity Systems, Inc.—Copyright © 2006
Use Pursuant to Company Instructions
Many programs that use PIOCS do not issue an open request
that BIM-EPIC can recognize. In this case, you can satisfy
the BIM-EPIC open processing requirements by executing
the TSIDASS OPEN function to simulate the opening of both
input and output datasets. This is required only when the
program does not issue an open or does I/O to the dataset
before the dataset is opened. Examples include some DITTO
functions, LIBR stand-alone backups, and most FORTRAN
compilers.
Use caution when using the BIM-EPIC concatenation feature.
BIM-EPIC cannot recognize end-of-file processing for many
PIOCS programs. Therefore, the BIM-EPIC dataset
concatenation may not work with these programs.
Most PIOCS programs do not honor the BIM-EPIC dataset
reblocking facility. Alternate block sizes must be specified by
submitting control statements to the program. For sorts, you can
use TSIDSRT to automatically update the control statements with
the BIM-EPIC block size.
BIM-EPIC Generic Device Independence (GDI) cannot be used
with PIOCS.
Some PIOCS programs do not provide the address of the last
record written. Therefore, BIM-EPIC may not be able to truncate
the dataset when it is closed.
Utility Programs BIM-EPIC provides the following utility programs to assist in processing
with PIOCS programs.
See Chapter 8, “BIM-EPIC Utilities,” for additional information.
Program Can be used for...
TSIDASS Pre-open assignment checking and simulation of open
processing
TSIDSRT Sort programs
TSIDDEL Deleting disk work datasets that have not been closed
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